/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.ouwen.booking.controller;

import com.ouwen.booking.po.Booking;
import com.ouwen.booking.service.IBookingService;
import org.apache.servicecomb.pack.omega.context.annotations.SagaStart;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.lang.invoke.MethodHandles;
import java.util.UUID;

@RestController
public class BookingController {

    private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());

    @Value("${car.service.address:http://car.servicecomb.io:8080}")
    private String carServiceUrl;

    @Value("${hotel.service.address:http://hotel.servicecomb.io:8080}")
    private String hotelServiceUrl;

    @Autowired
    private RestTemplate template;

    @Autowired
    private IBookingService bookingService;

    @SagaStart
    @PostMapping("/booking/{name}/{rooms}/{cars}")
    public String order(@PathVariable String name, @PathVariable Integer rooms,
                        @PathVariable Integer cars) throws Throwable {

        if (cars < 0) {
            throw new Exception("The cars order quantity must be greater than 0");
        }

        saveBooking();


        postCarBooking(name, cars);

        if (rooms < 0) {
            throw new Exception("The rooms order quantity must be greater than 0");
        }

        postHotelBooking(name, rooms);

        return name + " booking " + rooms + " rooms and " + cars + " cars OK";
    }

    private void saveBooking() {
        //op local db
        Booking booking = new Booking();
        booking.setUuid(UUID.randomUUID().toString());
        booking.setPhone("11111111111");
        booking.setName("ouwen");
        bookingService.booking(booking);
    }

    // This method is used by the byteman to inject exception here
    private void postCarBooking(String name, Integer cars) {
        template.postForEntity(
                carServiceUrl + "/order/{name}/{cars}",
                null, String.class, name, cars);
    }

    // This method is used by the byteman to inject the faults such as the timeout or the crash
    private void postHotelBooking(String name, Integer rooms) {
        template.postForEntity(
                hotelServiceUrl + "/order/{name}/{rooms}",
                null, String.class, name, rooms);

    }
}
